31009020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 108573696

約数和(自身を除く): 77564676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 43, 51, 60, 68, 70, 84, 85, 86, 101, 102, 105, 119, 129, 140, 170, 172, 202, 204, 210, 215, 238, 255, 258, 301, 303, 340, 357, 404, 420, 430, 476, 505, 510, 516, 595, 602, 606, 645, 707, 714, 731, 860, 903, 1010, 1020, 1190, 1204, 1212, 1290, 1414, 1428, 1462, 1505, 1515, 1717, 1785, 1806, 2020, 2121, 2193, 2380, 2580, 2828, 2924, 3010, 3030, 3434, 3535, 3570, 3612, 3655, 4242, 4343, 4386, 4515, 5117, 5151, 6020, 6060, 6868, 7070, 7140, 7310, 8484, 8585, 8686, 8772, 9030, 10234, 10302, 10605, 10965, 12019, 13029, 14140, 14620, 15351, 17170, 17372, 18060, 20468, 20604, 21210, 21715, 21930, 24038, 25585, 25755, 26058, 30401, 30702, 34340, 36057, 42420, 43430, 43860, 48076, 51170, 51510, 52116, 60095, 60802, 61404, 65145, 72114, 73831, 76755, 86860, 91203, 102340, 103020, 120190, 121604, 130290, 144228, 147662, 152005, 153510, 180285, 182406, 221493, 240380, 260580, 295324, 304010, 307020, 360570, 364812, 369155, 442986, 456015, 516817, 608020, 721140, 738310, 885972, 912030, 1033634, 1107465, 1476620, 1550451, 1824060, 2067268, 2214930, 2584085, 3100902, 4429860, 5168170, 6201804, 7752255, 10336340, 15504510, 31009020]

約数ペア:

[(1, 31009020), (2, 15504510), (3, 10336340), (4, 7752255), (5, 6201804), (6, 5168170), (7, 4429860), (10, 3100902), (12, 2584085), (14, 2214930), (15, 2067268), (17, 1824060), (20, 1550451), (21, 1476620), (28, 1107465), (30, 1033634), (34, 912030), (35, 885972), (42, 738310), (43, 721140), (51, 608020), (60, 516817), (68, 456015), (70, 442986), (84, 369155), (85, 364812), (86, 360570), (101, 307020), (102, 304010), (105, 295324), (119, 260580), (129, 240380), (140, 221493), (170, 182406), (172, 180285), (202, 153510), (204, 152005), (210, 147662), (215, 144228), (238, 130290), (255, 121604), (258, 120190), (301, 103020), (303, 102340), (340, 91203), (357, 86860), (404, 76755), (420, 73831), (430, 72114), (476, 65145), (505, 61404), (510, 60802), (516, 60095), (595, 52116), (602, 51510), (606, 51170), (645, 48076), (707, 43860), (714, 43430), (731, 42420), (860, 36057), (903, 34340), (1010, 30702), (1020, 30401), (1190, 26058), (1204, 25755), (1212, 25585), (1290, 24038), (1414, 21930), (1428, 21715), (1462, 21210), (1505, 20604), (1515, 20468), (1717, 18060), (1785, 17372), (1806, 17170), (2020, 15351), (2121, 14620), (2193, 14140), (2380, 13029), (2580, 12019), (2828, 10965), (2924, 10605), (3010, 10302), (3030, 10234), (3434, 9030), (3535, 8772), (3570, 8686), (3612, 8585), (3655, 8484), (4242, 7310), (4343, 7140), (4386, 7070), (4515, 6868), (5117, 6060), (5151, 6020)]